基本解释磷同根派生 英汉例句A persulphate oxid ation method in acid medium for decomposition and analysis of dissolved total ph osphorus in seawater was proposed. 依此，建立酸性过硫酸盐氧化法分解测定海水中溶解态总磷的方法。osphorus bacteria 磷细菌osphorus banding 磷光带